(22) Aces post flop?

[golfcchs]

Party Poker No-Limit Hold'em Tourney, Big Blind is t15 (10 handed) converter

Hero (t800)
UTG+1 (t785)
UTG+2 (t780)
MP1 (t830)
MP2 (t545)
MP3 (t745)
CO (t1505)
Button (t770)
SB (t670)
BB (t570)

Preflop: Hero is UTG with A[img]/images/graemlins/diamond.gif[/img], A[img]/images/graemlins/heart.gif[/img].
<font color="#CC3333">Hero raises to t55</font>, <font color="#666666">3 folds</font>, MP2 calls t55, <font color="#666666">3 folds</font>, SB calls t45, <font color="#666666">1 fold</font>.

Flop: (t177.50) T[img]/images/graemlins/club.gif[/img], 4[img]/images/graemlins/club.gif[/img], 6[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(3 players)</font>
SB checks, <font color="#CC3333">Hero bets t155</font>, MP2 folds, SB calls [t625] , Hero calls t460.

Turn: (t792.50) 2[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(2 players)</font>

River: (t792.50) 7[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(2 players)</font>

Final Pot: t792.50

What do you here with the reraise especially since this is a 22? Also how much do you raise aces level one?